<p><strong><font face="Arial" size="2"><H4>Modify the database definitions</H4></font></strong></p>
<p><font face="Arial" size="2">Once a database has been created, it is possible to enter this menu to modify any of the components defined by an ABCD database.</font></p>
<p><font face="Arial" size="2">Existing components are:</font></p>
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<ul>
    <li>Field definition table. Define the structure of the records in the database&nbsp;</li>
    <li>Field selection table. Define the strategy to apply when building indexes&nbsp;to access records in the database&nbsp;</li>
    <li>Input worksheets. Additional input formats to be used for entering information&nbsp;</li>
    <li>Output Formats. Display formats that can be used to display information</li>
    <li>Record types. Define the input formats to use for each type of record as defined in the database (if any)</li>
    <li>Record validation formats. This enables a revision of the consistency&nbsp;of a&nbsp;record prior to updating</li>
    <li>Advanced Search Format. Define the fields that can be used to format the advanced search&nbsp;</li>
    <li>List of available databases. List of databases that appear in the different modules of ABCD&nbsp;</li>
    <li>dbn.par file . Access path to the database resources</li>
    <li>Help files for the fields of database. Online help that can be deployed at the time of entering information</li>
    <li>Settings under the IAH. Configuring the database for public access</li>
    <li>List of variables to obtain statistics. List of fields that can be used to obtain statistics, indicating the extraction format of each</li>
    <li>Statistical tables. Combination of fields in rows and columns to form pre-defined tables</li>
</ul>
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